CVE-2025-66863
binutils: BinUtils: Denial of Service via crafted PE file
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · December 29, 2025
Updated · September 1, 2026
Description
A flaw was found in BinUtils. Attackers can exploit this vulnerability by providing a specially crafted Portable Executable (PE) file. This can lead to a denial of service, making the affected application unavailable.
Statement
This vulnerability is rated Low for Red Hat products. The flaw in BinUtils allows for a denial of service when processing a specially crafted Portable Executable (PE) file. For a successful attack to take place the user needs to be tricked to process the maliciously crafted PE binary using the affected program. The consequences of a successful attack is also restricted to the single process instance reading the malicious file and does not have a system-wide effect, presenting a Low impact in the availability criteria.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
To reduce the risk of exploitation, users should avoid processing Portable Executable (PE) files from untrusted or unverified sources with BinUtils tools. Limiting the exposure of BinUtils to untrusted input can help prevent denial of service attacks.
CVSS / CWE
CVSS 3.1 · 3.3CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CWE-125 · Out-of-bounds Read